Vocabulary
This is the liquid in a solution that does the dissolving.
Solvent
When water sticks to other water molecules, this is called ___.
Cohesion
When ice turns into liquid water, this change is called ___.
Melting
The breaking down of rocks into smaller pieces is called ___.
Weathering
What percent of Earth’s water is in the oceans as salt water?
97%
The process of turning a gas into a liquid.
Condensation
Because of its charges, water can dissolve many things. We call water this.
The Universal Solvent
When liquid water becomes a gas, it is called ___.
Evaporation
The moving of rock pieces from one place to another (for example, by water or wind) is called ___.
Erosion
Name one way water helps people stay healthy from the notes
Drinking or Cooking
A molecule with a little positive side and a little negative side, like water, is called this.
Polar Molecule
The "protective layer" on top of water that makes drops hold together is called ___.
Surface Tension
Taking away heat from water makes it ___
Freeze
When sediments are dropped in a new place (like a delta), that is called ___.
Deposition
The kind of power made by water flowing over a dam is called ___.
Hydroelectric
This is when water turns from liquid into gas at the surface.
Evaporation
Explain in one sentence why ice floats on water
Ice is less dense than water.
In one simple sentence, tell how molecules look different in a solid than in a gas.
Molecules are more tightly packed
Decide if this is weathering, erosion, or deposition: "Sediments pile up at the end of a river and form a delta."
Deposition
What percentage of the Earth's water is fresh?
3%
The name for how much heat is needed to warm 1 kilogram of a substance by 1∘ Celsius.
Specific Heat
The phrase that tells how water holds heat and helps make the weather milder near oceans and lakes.
Heat Capacity
Tell why adding heat can change water from liquid to gas.
Adding heat gives the molecules energy, they use that energy to move faster and father apart
Give one short example of how ice can break a rock apart.
Ice Wedging
In two short sentences, explain one way not having enough nonfrozen freshwater could make farming hard.
If farmers have very little fresh water, they cannot water crops enough, and harvests may be small. This can make food scarce and more expensive.